Spark Sp0 Liner

$288.95 - $308.95


Compact, roomy ultralight down-filled liner

The Sea to Summit Spark Sp0 mummy sleeping bag is an ultralight down-filled liner that can also be used on its own in warm weather. It features premium materials and no-frills design to provide cutting-edge performance.

Ultralight does not mean ultra-tight: The Spark mummy bags are snug but still have adequate girth for the performance-oriented backcountry user.


• ULTRA-DRY Down 850+ Loft 90% Down Cluster Premium Goose Down certified Responsible Down Standard (RDS)
• 10D shell and 7D liner materials help to achieve the incredible lightweight and compact packed size
• Includes lightweight Ultra-Silâ„¢ compression bag and storage cell
• Zipper-length trimmed for gram-saving performance
• 1/3-length zipper
• Sewn-through baffle construction

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